Workaround for "PowerPC-8xx CPU15 errata" (whatever that might be).
Patch by Nye LIU: http://sourceware.org/ml/crossgcc/2009-05/msg00014.html
-------- diffstat follows --------
/trunk/patches/eglibc/2_9/100-powerpc-8xx-CPU15-errata.patch | 49 49 0 0 ++++++++++++++++++
/trunk/scripts/build/libc/eglibc.sh | 10 9 1 0 +++-
2 files changed, 58 insertions(+), 1 deletion(-)
1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/00_all_gcc-4.1-alpha-mieee-default.patch
2 Set the default behavior on alpha to use -mieee since the large majority of
3 time we want this (bad/weird things can happen with packages built without
6 To satisfy those people who may not want -mieee forced on them all the time,
7 we also provide -mno-ieee.
9 Patch by Mike Frysinger <vapier@gentoo.org>
11 diff -durN gcc-4.3.1.orig/gcc/config/alpha/alpha.h gcc-4.3.1/gcc/config/alpha/alpha.h
12 --- gcc-4.3.1.orig/gcc/config/alpha/alpha.h 2007-12-06 14:25:37.000000000 +0100
13 +++ gcc-4.3.1/gcc/config/alpha/alpha.h 2008-06-10 14:56:36.000000000 +0200
18 +#define CPP_SPEC "%{!no-ieee:-mieee}"
20 #define WORD_SWITCH_TAKES_ARG(STR) \
21 (!strcmp (STR, "rpath") || DEFAULT_WORD_SWITCH_TAKES_ARG(STR))
23 diff -durN gcc-4.3.1.orig/gcc/config/alpha/alpha.opt gcc-4.3.1/gcc/config/alpha/alpha.opt
24 --- gcc-4.3.1.orig/gcc/config/alpha/alpha.opt 2007-08-02 12:49:31.000000000 +0200
25 +++ gcc-4.3.1/gcc/config/alpha/alpha.opt 2008-06-10 14:56:36.000000000 +0200
27 Request IEEE-conformant math library routines (OSF/1)
30 -Target Report RejectNegative Mask(IEEE)
31 +Target Report Mask(IEEE)
32 Emit IEEE-conformant code, without inexact exceptions